Dicas Reparação




Modelo - Chassis PSLX5


Pesquisa: PSLX5 Enviar Dica Resolvida
Resultados 21
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(Chassis)
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SonyPSLX500
INCORRECT CONNECTION OF PHONO GROUND When setting volume about half way up, we hear a buzzing soundfrom right channel only. The ground lead of right channel cartridge leadis connected to ground of system control board ground. We are picking upmicroprocessor noise via this ground lead.
SonyPSLX55
ERRATIC MOVEMENT OF TONE ARM The tonearm on this unit would cue into the record at afaster pace than it would cue in the outward direction. Glue on the PCboard has erroded and was responsible for changing the DC level on Pin 1of IC202. A resultant -2.5 VDC was present at IC202's o
SonyPSLX5
INCORRECT SET - DOWN POINT When a 12 record is placed on turntable, tonearm goes to7 position. Replaced Q209 with new type transistor 2SA1027R, as perS/B #155. This transistor insures pull in of the size solenoid.
SonyPSLX500
AUDIBLE NOISE Low level thump or rumble like noise is heard when everhorizontal drive motor moves tonearm.
SonyPSLX5
INTERMITTENT SWITCH The tone arm would go into 45 disc position instead of droppoint for 33 size. Only at first cycle, then no more failures.
SonyPSLX500
DEFECTIVE SOCKET The copper sleeves in the socket of the P-mount were pushedall the way back into the tone arm. I have received several reports onthis problem.


Assistência TécnicaAs dicas apresentadas destinam-se a técnicos de eletrónica, a tentativa de reparação ou assistência sem ter conhecimentos de eletricidade e eletrónica, podem provocar danos mais graves aos equipamentos e, devido a tensões muito elevadas em alguns circuitos, graves danos fisicos que podem constituir um risco em determinadas reparações.

Não arrisque reparar equipamentos com tensões elevadas se não tiver conhecimentos técnicos para o fazer em segurança.

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